The strongest of the natural fiber rop

1、Because of the（）nature of the agreemen

Because of the（）nature of the agreement, I was reluctant to discuss with him in office.AconfidentialBdelieateCsecretDsophisticated

2、If the dispersion of a given fiber is

If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm, then what is the accumulated dispersion of an ITU wavelength after it travels 200 km?（）A0 ps/nmB340 ps/nmC200 ps/nmD3400 ps/nmEMore information is needed.

3、（）the incomplete nature of the survey，

（）the incomplete nature of the survey，heavy draught vessels are warned not to navigate within the 10 fathom line.ABecauseBOwing toCHaving beenDBeing

4、The Immigration and Naturalization Ser

The Immigration and Naturalization Service is concerned with which document on a vessel making preliminary entry into a U.S. port from a foreign port?（）.ACargo ManifestBCertified Crew ListCCurio ListDShipping Article

5、The strongest of the natural fibers is

The strongest of the natural fibers is（）.AcottonBhempCmanilaDsisal

6、Because of the（）nature of the agreemen

Because of the（）nature of the agreement，I was reluctant to discuss with him in office.AconfidentialBdelicateCsecretDsophisticated